Bug fix: need to be able to restore missing parameters in vis_source_model
Bug fix: need to be able to restore missing parameters in vis_source_model

wenyang-li/FHD,miguelfmorales/FHD,wenyang-li/FHD,EoRImaging/FHD,miguelfmorales/FHD,wenyang-li/FHD,EoRImaging/FHD